ANGIOSPERM^, DICOTYLEDONES. 



759 



Fig. 429.— Amen tales. 



1 Birch (Betula alba) shoot with male and female catkins (the former at the apex). 2 itipe female catkin of same, s Winged 

 nut of same. * Subtending scale of fruit of same. ^ Shoot of Hornbeam (Carpinus Betulus) with male and female catkins 

 (latter to right), s Scale of female catkin with flowers of same. ' Scale from male catkin with stamens. 3 Scale of female 

 catkin with ripe fruit. », *, *, "f enlarged; the rest nat. size. 



